US Bridges

I-26 WB over S-38-2029 Southern RR

Fair

Orangeburg County, South Carolina · 3 MI NE of Orangeburg · Structure no. 000000000003425

Built
1960
65 years old, rebuilt 1981
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
220 ft
4 main spans
Daily traffic
29,400
2023 count
Owner
State
State Highway Agency

About this bridge

I-26 WB over S-38-2029 Southern RR is a prestressed concrete stringer/multi-beam or girder carrying I-26 WB over S-38-2029 Southern RR in Orangeburg County, South Carolina. It was built in 1960 and reconstructed in 1981, so it is 65 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 29,400 vehicles a day, roughly 21% of them trucks, projected to reach 47,040 by 2043. The structure is 220 ft (67.1 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-26 WB
CrossesS-38-2029 Southern RR
Location3 MI NE of Orangeburg
RouteInterstate 26
Coordinates33.56188, -80.82702
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length220 ft (67.1 m)
Longest span55 ft (16.8 m)
Deck width51 ft (15.5 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,400 (2023)
Projected traffic47,040 by 2043
Trucks21%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-26 WB over S-38-2029 Southern RR built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1981.

What condition is I-26 WB over S-38-2029 Southern RR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does I-26 WB over S-38-2029 Southern RR carry?

About 29,400 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is I-26 WB over S-38-2029 Southern RR?

The structure is 220 ft (67.1 m) long with a longest span of 55 ft (16.8 m) and a deck 51 ft wide.

Who owns I-26 WB over S-38-2029 Southern RR?

It is owned by the State Highway Agency.